/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * Agfa Healthcare.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
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 * See @authors listed below
 *
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package org.dcm4che3.tool.printscp;

import java.io.IOException;
import java.util.List;
import java.util.ResourceBundle;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.ParseException;
import org.dcm4che3.data.UID;
import org.dcm4che3.net.ApplicationEntity;
import org.dcm4che3.net.Connection;
import org.dcm4che3.net.Device;
import org.dcm4che3.net.TransferCapability;
import org.dcm4che3.net.service.BasicCEchoSCP;
import org.dcm4che3.net.service.DicomServiceRegistry;
import org.dcm4che3.tool.common.CLIUtils;
import org.dcm4che3.tool.print.entity.Config;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class PrintSCP {
	private final static Logger log = LoggerFactory.getLogger(PrintSCP.class);
    
    private static ResourceBundle rb =
            ResourceBundle.getBundle("org.dcm4che3.tool.printscp.messages");

//    private String defaultTransferUid = null;
    private final Device device = new Device("PrintServer");
    private final ApplicationEntity ae = new ApplicationEntity("*");
    private final Connection conn = new Connection();
    public PrintSCP(Config config) throws IOException {
        device.setDimseRQHandler(createServiceRegistry(config));
        device.addConnection(conn);
        device.addApplicationEntity(ae);
        ae.setAssociationAcceptor(true);
        ae.addConnection(conn);
    }

    private DicomServiceRegistry createServiceRegistry(Config config) {
        DicomServiceRegistry serviceRegistry = new DicomServiceRegistry();
        serviceRegistry.addDicomService(new BasicCEchoSCP());
        serviceRegistry.addDicomService(new FilmReadyService(config.getPrinterSopClasses().split(",")));
        serviceRegistry.addDicomService(new FilmSessionService(config.getSessionSopClasses().split(",")));
        serviceRegistry.addDicomService(new FilmBoxService(config.getFilmBoxSopClasses().split(",")));
        serviceRegistry.addDicomService(new ImageBoxService(config, null, config.getImageBoxSopClasses().split(",")));
        serviceRegistry.addDicomService(new FilmRetrievalService());
        return serviceRegistry;
    }
    
    private static void addTransferCapabilityOptions(Options opts) {
        opts.addOption(null, "accept-unknown", false,
                rb.getString("accept-unknown"));
        opts.addOption(Option.builder()
                .hasArg()
                .argName("file|url")
                .desc(rb.getString("sop-classes"))
                .longOpt("sop-classes")
                .build());
    }
    
    private static CommandLine parseComandLine(String[] args)
            throws ParseException {
        Options opts = new Options();
        CLIUtils.addBindServerOption(opts);
        CLIUtils.addAEOptions(opts);
        CLIUtils.addCommonOptions(opts);
        addTransferCapabilityOptions(opts);
        return CLIUtils.parseComandLine(args, opts, rb, PrintSCP.class);
    }
    
    public static void main(String[] args) throws Exception {
        try {
            CommandLine cl = parseComandLine(args);
            List<String> argsList = cl.getArgList();
        
            Config config = new Config();
            if (argsList.size() == 0) {
            	log.warn("no config file config. user default store path=" + config.getDicomStoreDir());
            } else {
            	config = new Config(argsList.get(0));
            	log.info("use config file={} to init program", argsList.get(0));
            }
            PrintSCP main = new PrintSCP(config);
            CLIUtils.configureBindServer(main.conn, main.ae, cl);
            CLIUtils.configure(main.conn, cl);
            configureTransferCapability(main.ae, cl);
//            ExecutorService executorService = Executors.newCachedThreadPool();
            ExecutorService executorService = Executors.newFixedThreadPool(config.getProcessThreadCount());
            ScheduledExecutorService scheduledExecutorService = 
                    Executors.newScheduledThreadPool(4);
            main.device.setScheduledExecutor(scheduledExecutorService);
            main.device.setExecutor(executorService);
            main.device.bindConnections();
            log.info("start print scp on ae==============" + main.ae.getAETitle()+ ",threaCount=" + config.getProcessThreadCount());
        } catch (ParseException e) {
            System.err.println("printscp: " + e.getMessage());
            System.err.println(rb.getString("try"));
            System.exit(2);
        } catch (Exception e) {
            System.err.println("printscp: " + e.getMessage());
            e.printStackTrace();
            System.exit(2);
        }
    }

    private static void configureTransferCapability(ApplicationEntity ae,
            CommandLine cl) throws IOException {
            ae.addTransferCapability(
                    new TransferCapability(null, 
                            "*",
                            TransferCapability.Role.SCP,
                            "*"));
     }

}
